using DTOs;
using Entities;
using Model;

namespace ExtensionsClassLibrairie
{
    public static class AnswerExtensionMethods
    {

        /// <summary>
        /// convet a dto answer into a model answer
        /// </summary>
        /// <param name="a">the dto answer to convert</param>
        /// <returns>the model answer that correspond</returns>
        public static Answer ToModel(this AnswerDto a)
        {
            return new Answer(a.Content, a.Id);
        }

        /// <summary>
        /// convet an entity answer into a model answer
        /// </summary>
        /// <param name="a">the entity answer to convert</param>
        /// <returns>the model answer that correspond</returns>
        public static Answer ToModel(this AnswerEntity a)
        {
            return new Answer(a.Content, a.Id);
        }

        /// <summary>
        /// convet a model answer into an entity answer
        /// </summary>
        /// <param name="a">the model answer to convert</param>
        /// <returns>the entity answer that correspond</returns>
        public static AnswerEntity ToEntity(this Answer a)
        {
            return new AnswerEntity
            {
                Id = a.Id,
                Content = a.Content
            };
        }

        /// <summary>
        /// convet a dto answer into an entity answer
        /// </summary>
        /// <param name="a">the dto answer to convert</param>
        /// <returns>the entity answer that correspond</returns>
        public static AnswerEntity ToEntity(this AnswerDto a)
        {
            return new AnswerEntity
            {
                Id = a.Id,
                Content = a.Content
            };
        }

        /// <summary>
        /// convet a model answer into a dto answer
        /// </summary>
        /// <param name="a">the model answer to convert</param>
        /// <returns>the dto answer that correspond</returns>
        public static AnswerDto ToDto(this Answer a)
        {
            return new AnswerDto
            {
                Content = a.Content,
                Id = a.Id
            };
        }

        /// <summary>
        /// convet an entity answer into a dto answer
        /// </summary>
        /// <param name="a">the entity answer to convert</param>
        /// <returns>the dto answer that correspond</returns>
        public static AnswerDto ToDto(this AnswerEntity a)
        {
            return new AnswerDto
            {
                Content = a.Content,
                Id = a.Id
            };
        }

        /// <summary>
        /// equality protocole
        /// </summary>
        /// <param name="obj">an object</param>
        /// <returns>
        /// true if the object is an AnswerEntity
        /// and the two contents are equals
        /// (we don't care about the id because
        /// he's set by the database
        /// </returns>
        public static bool Equals(this AnswerEntity a, object? obj)
        {
            return obj != null && obj is AnswerEntity other
                && other.Content == a.Content;
        }
    }
}